With 11 newcomers - several of them American expats gone to Europe - our list of the most powerful women in global business demonstrates their rise in male-dominated fields,
from nuclear energy to mining to oil.

6 of 50

6. Anne-Marie Idrac

President
SNCF

Country: France2006 rank: 3

Since taking over the state-owned French railway last summer, Idrac has had a smooth ride. SNCF opened its latest high-speed TGV, to Strasbourg, and lost relatively few days to
strikes. Now she's moving to overhaul inefficient freight operations. Idrac, 55, is also on the front lines as the government moves to abolish perks for railroad employees that
allow retirement as early as 50.